WELL · 42-383-36180 · DISTRICT 7
University 31 #3
Reagan County · Spraberry (Trend Area) field · Shut IN · Vertical
University 31 #3 (API 42-383-36180) is a well in Reagan County operated by Pioneer Natural Res. USA Inc., completed August 6, 2008 and listed as shut in on the RRC schedule.
The RRC has issued one drilling permit, issued May 13, 2008, permitted to 9,500 ft.
Completion filings report 3 formation tops, including Spraberry, Dean, Wolfcamp.
Its lease has reported 61.4K barrels of oil and 123K mcf of gas since January 1993, last reporting in July 2026. The lease carries 3 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Spring, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jul 8, 2026
- Permits on file
- 15,628
- Phone
- (972) 444-4001
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Pioneer Natural Res. USA Inc. |
| Production reports | Pioneer Natural Res. USA, Inc.through May 2023 |
| Latest permit | Pioneer Natural Res. USA, Inc.May 13, 2008 |
- 9,500
- total depth, ft
- 1
- permits on file
- May 13, 2008
- last permit issued
- Aug 6, 2008
- completed
- 61.4K
- cumulative oil, bbl
- 123K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Aug 6, 2008
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
Surface location
No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the lease this well is completed on; they carry 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| University 31 O-9-5629 | Spraberry (Trend Area) | Pioneer Natural Res. USA, Inc. | 3 | 61.4K | 123K | Jan 1993 – Jul 2026 |
Gas, mcf lease total
Last 12 months 0 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Oklahoma RB Operating CompanyJan 1993 → Jan 1998
- 2Ram Operating, Inc.Feb 1998 → Sep 1998
- 3Scythian, Ltd.Oct 1998 → Apr 2006
- 4Pioneer Natural Res. USA, Inc.May 2006 → Feb 2023
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 657133-99 | Drill | Pioneer Natural Res. USA, Inc. | Mar 11, 2008 | May 13, 2008 | Jun 10, 2008 | 9,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-5629 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,644 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,529 | 6,538 | Perforated |
| 7,384 | 7,393 | Perforated |
| 8,013 | 8,022 | Perforated |
| 8,360 | 8,934 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 569 | 11 | 300 S |
| 4.5 | 9,173 | 7.875 | 900 S |
Completion filings
W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Oct 9, 2008 | Sep 19, 2008 | Yes |
| 00 | Oct 4, 2008 | — | — |
The source documents
Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.
- Wellbore filings for 42-383-36180 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-383-36180 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. then paste it into their search.
About this data
Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.
New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease
Developers: this page as JSON is GET /v1/data/wells/38336180, documented in the API reference.